(i) There is a membrane present called synovial membrane.
(ii) This membrane is composed of secretory epithelial cells which secrete a thick sticky fluid, of the consistency of the white of an egg called synovial fluid.
(iii) It acts as a lubricant to the joint, provides nutrient materials for the structures within the joint cavity and helps to maintain the stability of the joint.
(iv) Bone ends are covered by articular cartilages.
(v) Ligaments join the bones and tendons connect the bones with muscles.
(vi) Little sacs of synovial fluid or bursae are found in some joints.
